Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.

NASA's two stranded astronauts conducted their first spacewalk together Thursday, stepping outside the International Space Station.

On Thursday January 30th, astronauts Suni Williams and Butch Wilmore are doing a 6.5-hour spacewalk outside the International ...

Astronauts Butch Wilmore and Suni Williams will conduct a spacewalk outside the International Space Station to swab the ...

The president has claimed the previous administration abandoned the astronauts and has called on Elon Musk for aid.

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth ...

Veteran NASA astronauts Bernard Harris and Peggy Whitson were announced as the 2025 U.S. Astronaut Hall of Fame inductees.

Another challenge of long-duration missions is staying mentally healthy. Astronauts are often confined to small spaces for ...

"We must honor their sacrifice by fortifying our commitment to safety and excellence as new generations of space explorers, follow their footsteps." ...

NASA astronaut Nick Hague will install patches to the agency's NICER (Neutron star Interior Composition Explorer) X-ray telescope on the International Space Station as part of a spacewalk ...